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Architeuthis

Well, they've been in the tank for about ten hours now! I've kept the light off and have been trying to leave them alone (although they don't appear to react to my presence).

I was shocked at how active they were when I took the bag out of the box! They were circulating around the bag flashing colors. Upon entering the breeder net, each one found a comfortable place to park, turn down the color and rest. None have really moved much since being put in. One of them was floating on the surface during acclimation, but came back to life with the new water. I wasn't expecting much from him, but he seems fine!

Tomorrow I'll turn the light on and perhaps they'll be a little more active (I hope they develop an appetite soon). In their white "resting" color, each has a slightly different sized dark spot on the dorsal mantle. I can't imagine I'll be able to use this to tell them apart in the long term, though.

GPO

Well, they've been in the tank for about ten hours now! I've kept the light off and have been trying to leave them alone (although they don't appear to react to my presence).

I was shocked at how active they were when I took the bag out of the box! They were circulating around the bag flashing colors. Upon entering the breeder net, each one found a comfortable place to park, turn down the color and rest. None have really moved much since being put in. One of them was floating on the surface during acclimation, but came back to life with the new water. I wasn't expecting much from him, but he seems fine!

Tomorrow I'll turn the light on and perhaps they'll be a little more active (I hope they develop an appetite soon). In their white "resting" color, each has a slightly different sized dark spot on the dorsal mantle. I can't imagine I'll be able to use this to tell them apart in the long term, though.

Good tip--I'm adding it to my Google Notebook on cuttlefish! Is this about the time the light goes out, perhaps a little before or after?

They ate all the mysids overnight, so this morning I thought I'd test them by putting in the two smallest shore shrimp I could catch. Two cuttlefish made chase. The first tried once and then gave up when it got away. The second tried repeatedly, eventually got a good tentacle grab, drew him in, and tried unsuccessfully to eat him. He had his arms wrapped around the shrimp's abdomen (the body length of the shrimp being about twice the cuttle's ML :) and the combined mass was swimming around in circles for about 45 seconds before he decided to give up and let go!

I fished them out and put in a few more mysids for them. The mysids are kind of cool, but it'll be nice once the cuttles are big enough to take the shore shrimp (which love flake food!)

Colossal Squid

My cuttles are all eating the shore shrimp. They don't like the heads though... The shrimp are at least twice their size. It is quite amazing to watch the fight, the shrimp always loses . At least now I can feed them once a day!

I put the five biggest P. vulgaris (about 1.5 inches) in my main tank in hopes that they might breed. I was shocked to find one in each of the breeder tanks with the cuttles. They had to climb out of the water to get in there... My daughter was a little worried they would eat the cuttles (I was too...) but I was able to remove them from the breeder tanks and they have settled into the live rock.

Architeuthis

Coincidentally I've done the same thing with my big shrimp, but haven't had trouble with them in the breeder yet.

The size differential between my cuttles/shore shrimp seems about the same as yours. The trouble mine are having is surely psychological...they've travelled three thousand miles into a different water system and different food in only a couple days. I don't want to rush them into new food, too!

Architeuthis

I'm worried about one of my babies. Since this morning he's been floating at the top, holding onto the net. If he loses grasp he'll swim around in right-hand circles. He doesn't appear interested in food, changing colors, or going lower in the water column.

Haliphron Atlanticus

Ive not seen that specific behaviour before, but perhaps you can isolate it, so it doesnt have competition in eating. ive had to do this before for the 'shyer' ones.

It being able to swim...even if its strangely in circles only is a good sign. When they get weak and die, they have difficulties swimming and sometimes become a clearer white color in which the bone can actually be seen.

Haliphron Atlanticus

My cuttles are all eating the shore shrimp. They don't like the heads though... The shrimp are at least twice their size. It is quite amazing to watch the fight, the shrimp always loses . At least now I can feed them once a day!

I put the five biggest P. vulgaris (about 1.5 inches) in my main tank in hopes that they might breed. I was shocked to find one in each of the breeder tanks with the cuttles. They had to climb out of the water to get in there... My daughter was a little worried they would eat the cuttles (I was too...) but I was able to remove them from the breeder tanks and they have settled into the live rock.

Haliphron Atlanticus

what ive noticed with the clear skin teture is that they stay like this all the time when they are weak. Most of the healthy ones wil seem to react when I go walk over the and look down intot he net. They usually will have a slight flash of red for a moment. The sick ones that Ive observed will not react at all, not move or eat, and are a really transparent color.

In the adults, they stay white and often rest in spots that I wouldnt normally see them.

Architeuthis

Some of them change more than others. If I go over to the tank they generally don't respond. If they spot some food they might change color a little bit, or they might just be in a colorful mood. I would say 60% of the time they're that translucent white color.

I'm quite sure my sick one won't be with me much longer. I just came across a small shrimp chewing on his arms. I took out the shrimp, but I don't know if he'll be able to eat again.